Question about 2006 Hero Honda CD Dawn

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Excess smoke There is an excess smoke from the exhaust.

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  • Anonymous Jan 29, 2009

    My bike has given white smoke alongwith oil from the exhaust system.

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Check petrol quality. Check oil level. If found to be reducing on use visit the nearest Hero Honda Authorised Service Station since it could be due to piston and bore problem.,

Posted on Nov 10, 2008

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Posted on Jan 02, 2017

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3 Answers

P38 Range Rover


Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a fuel odor. How did the fuel get into the cylinder in the first place? Some of the causes of excess fuel are a carburetor that is out of adjustment, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or computer sensor. If black smoke is present, check the engine oil as in the white smoke example to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil. Call your mechanic and advise him of what you have found. I hope this helps you determine what could be causing your engine smoke

Aug 12, 2008 | 1999 Land Rover Range Rover

1 Answer

What is the cause of water dripping out exhaust pipe and engine smoking excessively?


Cold weather right? Dripping is the water condensing from the exhaust gases. The "smoke" is more than likely water vapor, just like your breath in cold weather. If you have smoke (black) in warmer weather, you have an excess fuel problem and won't pass emmision tests. If blue smoke you have oil leaks into the coubustion chamber. Also will not pass emmisions test.

Mar 04, 2015 | 2003 Ford Explorer

1 Answer

When first starting up smoke comes from exhaust and makes a loud noise


Black smoke is excess unburnt fuel. Blue smoke is oil being burned, if blue the valve stem seals may be allowing oil to seep down over night.

Dec 31, 2013 | Peugeot Partner Cars & Trucks

1 Answer

2012 250 etec. Excess oil coming out of the exhaust ports


Run the engine for several minutes at idle. Turn the engine off and let it sit for about 15 minutes. Restart the engine and immediately increase the engine speed while observing the exhaust. If a heavy billow of bluish smoke is exhausted then disappears and the exhaust remains relatively clean, the most likely cause is excessive valve guide wear. In this case, the valve guides or valve guide seals require service. If the above test only produces mild smoke and the smoke remains at the same level during all operating conditions, the piston rings will have to be tested. This is done by performing a compression test on the engine. The first test is referred to as a "dry test" and the second test is referred to as a "wet test". The dry test consists of measuring the engines compression using a compression tester installed in the spark plug hole and the ignition system disabled. The engine is then cranked and the pressure is measured and recorded. A few teaspoons full of oil is then poured into the spark plug hole and the compression is then measured again. If the reading increases more than 15 PSI, the rings are worn and major engine service is probably required.

Apr 12, 2012 | Cars & Trucks

1 Answer

Excess smoke from exhaust


I would make sure the oil level is not too high. Next I would remove a spark plug and test compression to see whether your rings are worn excessively.Hope this helps.

Jan 08, 2012 | Yamaha DT 125 R Motorcycles

1 Answer

Excess smoke


The general rule: white-ish smoke indicates coolant in the exhaust, meaning a blown head gasket, whereas darker smoke indicates motor oil in the exhaust, which means that one (or more) cylinders have a broken ring, and the engine needs a ring job.
Fix for white smoke: replace head gasket.
Fix for black smoke: ring job.

Oct 05, 2011 | 2003 Lexus ES 300

1 Answer

I have a 2001 Chevy 3500. Sometimes when I drive it white/grey smoke comes out the exhaust. Other times it drives normal. Any help


sounds like you have an injector going out it usually starts dumping excess fuel on occasion causing excessive smoke you will have to have it diagnosed to pinpoint the cylinder causing the issue

Nov 11, 2010 | 2001 Chevrolet Silverado 2500HD

1 Answer

Why do i get black smoke when i boot it hard out of the exhaust


Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a fuel odor. Some of the causes of excess fuel are a carburetor that is out of adjustment, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or computer sensor. If black smoke is present, check the engine oil to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil.

Aug 17, 2009 | 2005 Jaguar X-Type

1 Answer

Reset check engin light


White smoke from exhaust indicates burning coolant. Blue smoke from the exhaust indicates burning oil. In replacing the valve cover gasket for an oil leak, some smoke from residual oil is normal but it would be excess oil burning off on the manifold from the engine compartment, not the exhaust. Hope this helps with your question.
Greg

May 14, 2009 | 1999 Volkswagen Passat

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